The Formula
Gallons = Liters × 0.264172
Liters = Gallons × 3.78541
Examples: 2 L × 0.264172 = 0.5283 gal. 5 gal × 3.78541 = 18.9271 L.
Whether you're converting a recipe, checking a fuel spec, or figuring out how many gallons are in a 2-liter bottle, this calculator handles the math. Enter any value in either field below for an instant, two-way conversion between liters and US gallons.
Type in either field. The other updates instantly. Uses the US liquid gallon.
One fixed conversion factor: 1 liter = 0.264172 US liquid gallons. Multiply liters by that number to get gallons. To reverse, multiply gallons by 3.78541.
Gallons = Liters × 0.264172
Liters = Gallons × 3.78541
Examples: 2 L × 0.264172 = 0.5283 gal. 5 gal × 3.78541 = 18.9271 L.
US liquid gallon = 3.78541 liters (used in the United States).
Imperial gallon = 4.54609 liters (used in the UK and some Commonwealth countries). About 20% larger than the US gallon.
This calculator uses the US liquid gallon.
| Liters | US Gallons |
|---|---|
| 0.5 L | 0.1321 gal |
| 1 L | 0.2642 gal |
| 1.5 L | 0.3963 gal |
| 2 L | 0.5283 gal |
| 2.5 L | 0.6604 gal |
| 3 L | 0.7925 gal |
| 5 L | 1.3209 gal |
| 10 L | 2.6417 gal |
| 15 L | 3.9626 gal |
| 20 L | 5.2834 gal |
| 25 L | 6.6043 gal |
| 50 L | 13.2086 gal |
| 100 L | 26.4172 gal |
| 200 L | 52.8344 gal |
| 500 L | 132.086 gal |
| 1,000 L | 264.172 gal |
| US Gallons | Liters |
|---|---|
| 0.25 gal (1 quart) | 0.9464 L |
| 0.5 gal (half gallon) | 1.8927 L |
| 1 gal | 3.7854 L |
| 2 gal | 7.5708 L |
| 3 gal | 11.3562 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 15 gal | 56.7812 L |
| 20 gal | 75.7082 L |
| 50 gal | 189.271 L |
| 100 gal | 378.541 L |
| Item | Liters | US Gallons |
|---|---|---|
| Standard water bottle | 0.5 L | 0.132 gal |
| 1-liter water bottle | 1 L | 0.264 gal |
| 2-liter soda bottle | 2 L | 0.528 gal |
| Standard wine bottle | 0.75 L | 0.198 gal |
| Half-gallon milk jug | 1.893 L | 0.5 gal |
| 1-gallon water jug | 3.785 L | 1 gal |
| Average car gas tank | ~45 to 75 L | ~12 to 20 gal |
| 5-gallon bucket | 18.93 L | 5 gal |
| 55-gallon drum | 208.2 L | 55 gal |
2 liters equals approximately 0.5283 US gallons, just over half a gallon. A 2-liter soda bottle is the most common reference point for this conversion.
1 liter equals approximately 0.2642 US gallons, about a quarter of a gallon. To be precise, 1 liter = 0.264172 US liquid gallons.
There are approximately 3.78541 liters in 1 US liquid gallon. The UK imperial gallon is larger at 4.54609 liters.
10 liters equals approximately 2.6417 US gallons. Multiply any liter value by 0.264172 for the gallon equivalent.
5 liters equals approximately 1.3209 US gallons. A 5-liter container holds a bit more than 1 gallon and a quarter.
US liquid gallon = 3.78541 liters. Imperial gallon (UK, Canada) = 4.54609 liters, about 20% larger.
This calculator uses the US liquid gallon.
Multiply liters by 0.264. For a rough mental estimate, divide by 4. The true factor is 3.785, so dividing by 4 understates slightly but is close enough for a quick ballpark.
Yes. L (uppercase) is the standard abbreviation. Lowercase l is also accepted but less common since it can be confused with the number 1. "Litre" is the British spelling of the same unit.
We built this because the conversion factor (0.264172) is annoying to remember, and Google still mostly shows pages that don't acknowledge the US-vs-UK gallon difference. One field, the other updates. Done. This site is a part of the ads4good Network.
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